Description
The K&N 57S-4000 Performance Airbox is engineered to replace the restrictive factory air filter and air box lid, providing a more efficient airflow solution. This performance airbox is designed to dramatically reduce air flow restriction while smoothing and straightening the air flow, allowing for a larger volume of air intake compared to factory assemblies.
With the K&N 57S-4000, your engine can inhale more air, which contributes to improved performance characteristics. The system includes an oversized conical K&N high-flow air filter that can be used for up to 100,000 miles before servicing is required, depending on driving conditions. The injection molded air box lid features the K&N logo embossed on top, adding a touch of style to its functionality. Installation is straightforward and can be accomplished with commonly available tools, making it a user-friendly option for enhancing your air intake system.
Features
- Replaces factory air filter and air box lid
- Designed to reduce air flow restriction
- Includes oversized conical K&N high-flow air filter
- Injection molded air box lid with K&N logo
- Air filter usable for up to 100,000 miles before servicing
- Easy installation with commonly available tools
- Built to last for the life of your vehicle
- Backed by K&N’s Million Mile Limited Warranty
Frequently Asked Questions
What is the part number for this airbox?
The part number is 57S-4000.
How often should the air filter be serviced?
The air filter can be used for up to 100,000 miles before servicing, depending on driving conditions.
Is installation difficult?
Installation is relatively easy and can be done with commonly available tools.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.
